A Boeing F-15 is still quite fast, but not nearly Mach 3, the company’s program manager said on Feb. 23, correcting a previous statement. “Mach 2.497 is what we can get out of the Eagle jet and that’s ...

Supersonic flight is edging back into the mainstream, but this time the race is not just about speed, it is about efficiency and emissions too. A new US UK effort to build a Mach 3 hybrid electric ...

Summary: Boeing’s F-15EX Eagle II, boasting remarkable aerodynamic efficiency and powered by twin GE F110-GE-229 engines, initially claimed to reach speeds nearing Mach 3. However, Boeing program ...

The story of the RF-4X Phantom "Peace Jack" project, an attempt to build a Mach-3 Phantom interceptor to counter Soviet ...

Numeric designation suggests a lot, and the Bell X-1 was indeed a special aircraft. Chuck Yeager broke the sound barrier in the X-1, and the plane ushered in the modern age of supersonic flight. The X ...